1. Chapter 3
The Metric System

2. §3.1 – Introduction Systems Table 3.1 (p. 125) Table 3.3 (p. 126)
Imperial system
Metric system (SI)
Use in industry
Table 3.1 (p. 125)
Table 3.3 (p. 126)
Problems 3.1 #2, 10, 14, 20, 32, 36

3. §3.2 thru 3.3 – Length and Mass Length (meter and other units)
Problem 3.2 #40, 44, 54, 56, 62
Mass (gram and other units)
Problem 3.3 #36, 44

4. §3.4 – Volume and Area Volume Volumes / mass relationships
Liquid measurements
Spatial measurements
Figures 3.10 and 3.11 (p. 133)
Liquid units – Liter (and other)
Do problems 3.4 #8, 40
Spatial units – m3 (and other)
Do problems 3.4 #10, 45
Volumes / mass relationships
1 g = 1 cm3 = 1 mL
Ex: How many mL in 0.5 m3? What is the mass of 0.5 m3?

5. §3.5 – Time, Current, & Power Time – seconds (other units)
Problem 3.5 #26
Current (Amp and other)
Power (Watt and other)
Problems 3.5 #16, 32

6. §3.6 – Temperature Temperature scales Celsius, Kelvin, Fahrenheit
Water boils (100⁰C, 373K, 212⁰F)
Water freezes (0⁰C, 273K, 32⁰F)
Conversion formulas
Convert 42.3⁰F to Celsius
A child has a temperature of 37⁰C. Is the child running a fever?

7. §3.7 – Metric and US Conversions
Need for conversion in industry
Conversion section of reference card in book
Problem 3.7 #2, 18
A common engine size in late 1970s model Pontiac Firebirds used to be 305 in3. By the late 1980 models a common size was 5.0L. Is there a significant difference in these engine sizes?
Graded Activity #4